<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>unicode</title>
    <style>
        span:before{
           content: "\e200";

        }
    </style>
</head>
<body>
    <span style="color:red;font-size:18px;">aad&#32;adad</span>
</body>
</html>